We found the depre.start date is incorrect in Jan'17,(ps:2016 year-end is closing).we use T-code:AS02 to change depre. start date to 2017.01.01.But after we change,plan to depreciation have no change,Exp.Useful life is still 002/000,Remaining life still is 003/000.How to change Remaining life to 005/000? It's urgent.Please help.Thanks